SwiftAuth: Conditional Privacy-Preserving UAV Authentication with Multi-Source Credential Aggregation and Non-Interactive Authorization

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To address the challenges of interactive credential issuance and conditional privacy-preserving authentication for dynamic terminals accessing multiple third-party services, we propose an traceable and aggregatable tagged witness signature (TA-TWS). Building upon this scheme, we design an efficient and privacy-preserving anonymous authentication framework, termed SwiftAuth. SwiftAuth decouples the issuer’s authorization phase from the user’s credential acquisition process in traditional anonym